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Related Flashcards
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Cards In This Set
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Aa
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Represents a homozygous recessive genotype
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Marfan Syndrome
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Disorder caused by a defect in the production of an elastic connective tissue protein called fibrillin
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Huntington disease
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Disorder caused by a trinucleotide repeat, symptoms appear between ages of 30 and 50
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X linked traits (sex linked)
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These traits are passed from mother to son via her X chromosome
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Phenotype
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Word used to describe a person's characteristics such as having attached ear lobes
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PP and Pp
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The ability to taste PTC is controlled by a single dominant gene. Identify the genotypes that can taste PTC paper.
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3/4
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What is the probability of having a dominant phenotype from this cross: Ff x Ff ?
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1/2
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What is the probability of having a heterozygous genotype from this cross of Ss x Ss ?
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AB blood type
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Codominant blood type where both genes are expressed forming protein A and protein B on red blood cells
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IAIA or IAi
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Possible genotypes for a person with blood type A
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One daughter who is normal, one daughter who is a carrier, one son who is normal, and one son who is color-blind.
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If a mother is a carrier for color-blindness (XBXb) and the father is normal (XBY), what would be the phenotypic ratio in offspring?
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Color blindness
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Example of a X linked recessive disroder
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Tay Sachs
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This genetic disease is prominent in individuals of Jewish descent resulting in a lack of the lysosome enzyme hex causing neurological impairment and psychomotor difficulties during early development
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Polygenic
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Type of genetic inheritance when several sets of alleles influence a particular trait of an individual
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Genotype
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Term that refers to the genes of an individual
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